NEW YORK (CBSNewYork) — A toddler and his babysitter were seriously injured in a pit bull attack Friday.

The attack happened in East Harlem inside the laundry room of a building on East 101st Street.

Witnesses said the dog’s owner was letting it run around without a leash before it bit the child and then clamped down on the woman’s leg.

Another resident heard screaming and raced to the rescue.

“I hit the dog a couple of times trying to, you know, get him loose, and that didn’t work,” he said. “I grabbed a bag, wrapped it around the dog’s head. I knew if he didn’t have air, he would have to let go.”

One neighbor told CBS2 she believes the dog has caused trouble before.

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